On security grounds , the impetus may be justified .
从安全的立场上看，这种推动力有正当的理由。
That impetus is likely to intensify , as debt headaches mount .
随着债务问题的加重，这种刺激可能会增强。
It gained impetus this year when the finance ministry abandoned years of tinkering to publish pioneering accounting rules modelled on international norms .
